@techreport{djernaes-simple-context-update-00,
    number =    {draft-djernaes-simple-context-update-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-djernaes-simple-context-update/00/},
    author =    {Martin Djernaes},
    title =     {{Context updates in BGP}},
    pagetotal = 14,
    year =      2006,
    month =     oct,
    day =       16,
    abstract =  {Currently BGP protocol can carry reachability information for multiple Address Families (AFI) and Subsequence Address Families (SAFI) using the Multiprotocol Extension{[}RFC2858{]}, but it is limited to grouping of information based on the AFI/SAFI hierarchy. This document describes a mechanism to group and exchange prefix information based on properties other than just the AFI/ SAFI{[}RFC2858{]}. The mechanism is flexible and backwards compatible with the current methods for exchanging prefixes and hence does not require any changes to the the protocol formats. It introduces a new capability that allows two BGP speakers negotiate during the BGP OPEN phase in order to define what each AFI/SAFI means. In other words, the concept of a 'context' is defined and each such 'context' can be mapped to an AFI/SAFI. The context to AFI/SAFI mapping is only relevant to the BGP peers of the BGP session and hence offers great flexibility in how 2 BGP speakers can choose to group and exchange prefix information.},
}